Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth:
1. | Pharynx → Oesophagus → Ileum → Crop → Gizzard → Colon → Rectum |
2. | Pharynx → Oesophagus → Crop → Gizzard → Ileum → Colon → Rectum |
3. | Pharynx → Oesophagus → Gizzard → Crop → Ileum → Colon → Rectum |
4. | Pharynx → Oesophagus → Gizzard → Ileum → Crop → Colon → Rectum |